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Finding the Fourth Proportional to 615,957.96, 923,937.09 and 231,779.16

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Solution

The fourth proportional to 615,957.96, 923,937.09 and 231,779.16 is: 347,668.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,957.96 : 923,937.09 = 231,779.16 : x
  2. Step 2: Convert to fraction form
    615,957.96/923,937.09 = 231,779.16/x
  3. Step 3: Cross multiply
    615,957.96x = 923,937.09 × 231,779.16
  4. Step 4: Simplify right side
    615,957.96x = 214,149,362,613.04
  5. Step 5: Solve for x
    x = 214,149,362,613.04/615,957.96
  6. Step 6: Final answer
    x = 347,668.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.